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7 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
78d177b5ce Constrain both operands on MOVZX32_NOREXrr8. 
This instruction is explicitly encoded without an REX prefix, so both
operands but be *_NOREX.

Also add an assertion to copyPhysReg() that fires when the MOV8rr_NOREX
constraints are not satisfied.

This fixes a miscompilation in 20040709-2 in the gcc test suite.

llvm-svn: 141410
 2011-10-07 20:15:54 +00:00
Stuart Hastings
e3158f93ec Re-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends. 
rdar://problem/8614450

llvm-svn: 131746
 2011-05-20 19:04:40 +00:00
Stuart Hastings
ff15dfa12e Reverting 131641 to investigate 'bot complaint. 
llvm-svn: 131654
 2011-05-19 17:54:42 +00:00
Stuart Hastings
7baa1babdb Revise MOVSX16rr8/MOVZX16rr8 (and rm variants) to no longer be 
pseudos.  rdar://problem/8614450

llvm-svn: 131641
 2011-05-19 16:59:50 +00:00
Chris Lattner
0a4807eefc make the asm matcher emitter reject instructions that have comments 
in their asmstring.  Fix the two x86 "NOREX" instructions that have them.
If these comments are important, the instlowering stuff can print them.

llvm-svn: 117897
 2010-11-01 04:44:29 +00:00
Chris Lattner
5d088218e5 two changes: make the asmmatcher generator ignore ARM pseudos properly, 
and make it a hard error for instructions to not have an asm string.
These instructions should be marked isCodeGenOnly.

llvm-svn: 117861
 2010-10-31 19:15:18 +00:00
Chris Lattner
40954218dd add new file 
llvm-svn: 115606
 2010-10-05 06:52:35 +00:00